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Parse YouTube URLS

/ Published in: PHP
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Parses various types of YouTube URLs returning the embed iframe with optional width and height

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  1. function getEmbedYT($link, $width=430, $height=230){
  2. 	$final = '<iframe width="'.$width.'" height="'.$height.'" src="http://www.youtube.com/embed/{code}" frameborder="0"></iframe>';
  3.  
  4. 	//se o link for o embed (altera o width e height)
  5. 	if(stristr($link, "iframe")){
  6.  
  7. 		$link = preg_replace("/width=(\")[0-9]+(\")/", 'width="'.$width.'"', $link);
  8. 		$link = preg_replace("/height=(\")[0-9]+(\")/", 'height="'.$height.'"', $link);
  9.  
  10. 		return $link;
  11. 	}
  12.  
  13. 	$parsed = parse_url($link);
  14.  
  15. 	//link URL
  16. 	if(stristr($parsed['path'], 'watch') !== false){
  17. 		parse_str($parsed['query'], $args);
  18. 		$code = $args['v'];
  19. 	}//link do embbed
  20. 	elseif(stristr($parsed['path'], 'embed') !== false){
  21. 		$code = str_replace("/embed/", "", $parsed['path']);
  22. 	}//short link
  23. 	elseif($parsed['host'] == 'youtu.be'){
  24. 		$code = str_replace("/", "", $parsed['path']);
  25. 	}
  26.  
  27. 	if($code){
  28. 		$final = str_replace("{code}", $code, $final);
  29.  
  30. 		return $final;
  31. 	}else{
  32.  
  33. 		return null;
  34. 	}		
  35. }

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